CN221796762U - Device for lifting and conveying steel bar bundles - Google Patents

Abstract

The utility model discloses a device for lifting a steel bar bundle, comprising a gantry hook and a steel pipe column; fixing rings are fixedly installed at both ends of the steel pipe column, the fixing ring is square and has upper and lower lifting rings respectively sleeved at the upper and lower ends, and the two groups of upper lifting rings are connected to the gantry hook by installing a steel wire rope; a steel bar bundle clamp is installed under the lower lifting ring, and a clamping hook is arranged at the bottom of the steel bar bundle clamp, and the clamping hook is suitable for fixing the steel bar bundle. The utility model solves the technical problem that the clamps commonly used in the prior art are clamped in a single direction, do not have a bidirectional clamping function, and are easily unhooked and dropped due to high-altitude transportation, resulting in injuries.

Description

A device for lifting steel bar tendons

Technical Field

The utility model belongs to the technical field of steel bar bundle transportation, and specifically relates to a steel bar bundle hoisting device.

Background Art

Bridge steel bar processing plants need to use gantry cranes to lift and process steel bar bundles. Usually, steel wire ropes are tied to the steel bars at both ends of the steel bar bundle for lifting. This method causes great wear on the steel wire ropes, requires manual installation of the steel wire ropes on the steel bars at both ends of the steel bar, and has a slow operation speed.

Secondly, as in CN201920581683.2, a clamp for lifting steel mesh, the prior art often uses a clamp for clamping in a single direction, which does not have a two-way clamping function and is prone to unhooking and falling due to high-altitude transportation, causing injuries.

In view of this, the present utility model is proposed.

Utility Model Content

In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

In order to increase the lifting speed of the steel bar bundle and reduce the wear of the wire rope, a special hook device for the steel bar bundle is designed. It is directly hooked on the steel bar bundle for lifting. Compared with the direct lifting method of the steel bar rope, in addition to the gantry crane operator, two people are also required to cooperate. The number of operators is the same but the lifting efficiency is higher.

A device for lifting a steel bar bundle, comprising a gantry hook and a steel pipe column;

The two ends of the steel pipe column are fixedly installed with fixing rings, the fixing ring is square and the upper and lower ends are respectively sleeved with upper and lower lifting rings, and the two sets of upper lifting rings are connected to the gantry hook by installing a steel wire rope;

A steel bar bundle clamp is installed under the lower lifting ring, and a clamp hook is arranged at the bottom of the steel bar bundle clamp, and the clamp hook is suitable for fixing the steel bar bundle.

In a further technical solution, the steel bar tendon clamps are multiple groups of rhombuses or parallelograms, which are cross-arranged;

The inner wall of the clamp hook is provided with friction teeth, and the size of the friction teeth is not less than the diameter of the steel bars of the steel bar bundle.

In a further technical solution, a longitudinal installation column is arranged in the steel pipe column, the longitudinal installation column is perpendicular to the axis of the steel pipe column, an installation cavity is opened in the longitudinal installation column, a fixing column is installed in the installation cavity, a reinforcement piece is installed on the fixing column, and the reinforcement piece is suitable for being connected to the steel bar bundle.

In a further technical solution, the reinforcing member comprises a movable frame plate, the top of the movable frame plate is provided with an upper position hole and a lower position hole, the lower position hole is suitable for being sleeved on a fixed column, and the movable frame plate is suitable for moving on the fixed column;

The upper position hole is suitable for installing a locking piece, and the locking piece is suitable for locking two sets of movable frame plates;

A clamping plate is fixedly installed under the movable frame plate, and the clamping plate is suitable for abutting against two sides of the steel bar bundle.

In a further technical solution, the locking member includes a U-shaped rod, a C-shaped plate is provided at the top end of the movable frame plate, and connecting holes are opened on both sides of the C-shaped plate, the U-shaped rod is suitable for being inserted into the two groups of connecting holes, and a fixing member is installed on the other side of the C-shaped plate.

In a further technical solution, the fixing member is a C-shaped rod, and a positioning hole is formed on the U-shaped rod, and the positioning hole is suitable for inserting the C-shaped rod.

In a further technical solution, the fixing member includes a movable plate, a threaded portion is provided on the U-shaped rod, a transition hole is opened on the movable plate, the transition hole is larger than the rod diameter of the U-shaped rod, a fixing cylinder is provided outside the transition hole, and a rotating nut is installed in the fixing cylinder, the rotating nut is suitable for rotating in the fixing cylinder, and the rotating nut is threadedly connected to the threaded portion.

Beneficial effects:

Compared with conventional steel bar bundle binding and lifting, this device reduces the friction between the steel wire rope and the steel bar bundle, and increases the service life of the steel wire rope. Due to the automatic clamping of the steel bar bundle, the lifting speed is accelerated, and the work efficiency is improved.

The utility model realizes the longitudinal installation clamping effect through the longitudinal installation column, and realizes the clamping on both sides by moving two groups of symmetrically arranged reinforcement pieces on the fixed column, and realizes the plugging of the two groups of reinforcement pieces through the U-shaped rod and realizes the locking through the locking piece. The C-shaped rod realizes the plugging and limiting in the multiple groups of positioning holes, and realizes the limiting of the steel bar bundle. The two groups of reinforcement pieces are relatively restricted by the rotating nut and the threaded connection on the threaded part, so as to constrain the steel bar bundle for transportation.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

In the attached picture:

FIG1 is a schematic diagram of the structure of Embodiment 1 of the present utility model;

FIG2 is an enlarged schematic diagram of point A in FIG1 ;

FIG3 is a schematic diagram of the structure of Embodiment 2 of the present utility model;

FIG4 is a schematic diagram of the interior of the longitudinal mounting column of the present invention;

FIG5 is a schematic diagram of a movable frame plate and a clamping plate of the utility model;

FIG6 is a schematic diagram of a U-shaped rod locking connection in Example 2 of the present utility model;

FIG. 7 is a schematic diagram of the locking connection of the U-shaped rod of Example 3 of the present utility model.

In the figure: 1. gantry hook; 2. upper lifting ring; 3. fixed ring; 4. lower lifting ring; 5. steel bar bundle clamp; 6. clamp hook; 7. wire rope; 8. steel pipe column; 9. friction tooth; 10. longitudinal installation column; 11. fixed column; 12. movable frame plate; 13. upper position hole; 14. lower position hole; 15. clamping plate; 16. U-shaped rod; 17. C-shaped plate; 18. connecting hole; 19. C-shaped rod; 20. movable plate; 21. fixed cylinder; 22. rotating nut; 100. steel bar bundle.

DETAILED DESCRIPTION

In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail in combination with the embodiments below. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

The application principle of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

Example 1

As shown in FIG. 1 and FIG. 2 , an embodiment of the utility model is shown, a device for lifting a steel bar bundle, comprising a gantry hook 1 and a steel pipe column 8;

The two ends of the steel pipe column 8 are fixedly installed with fixing rings 3, the fixing ring 3 is square and the upper and lower ends are respectively sleeved with an upper lifting ring 2 and a lower lifting ring 4, and the two sets of upper lifting rings 2 are connected to the gantry hook 1 by installing a steel wire rope 7;

A steel bar bundle clamp 5 is installed under the lower lifting ring 4 , and a clamp hook 6 is provided at the bottom of the steel bar bundle clamp 5 . The clamp hook 6 is suitable for fixing the steel bar bundle 100 .

The steel bar bundle clamps 5 are multiple groups of rhombuses or parallelograms, which are cross-arranged; the parallelograms or rhombuses are deformed to cause the opening angle of the clamp hooks 6 to change, thereby clamping steel bars of different sizes.

The inner wall of the clamp hook 6 is provided with friction teeth 9, and the size of the friction teeth 9 is not less than the diameter of the steel bar of the steel bar bundle 100. The friction teeth 9 are processed to eliminate slippage when clamping the steel bar bundle 100, and the size of the friction teeth 9 is not less than the diameter of the individual steel bar in the steel bar bundle 100, thereby improving the safety of lifting.

The fixing ring 3 at the end of the steel pipe column 8 is made of thick steel bars, holes are punched at both ends of the steel pipe column 8, passed through the steel bar column 8 and welded to the steel pipe column 8.

In the processing of the present lifting device, the length of the steel pipe column 8 is slightly smaller than the length of the steel bar bundle 100, less than 10cm-50cm, and a fixing ring 3 is welded on both ends, on which an upper lifting ring 2 and a lower lifting ring 4 are installed.

When the reinforcing bar bundle 100 is suspended, the device is provided with a steel wire rope 7 which passes through the upper suspension ring 2 and the lower suspension ring 4 and is hung on the gantry hook 1 .

The device is hoisted above the steel bar bundle 100, the steel pipe column 8 is substantially parallel to the hoisted steel bar bundle 100, the gantry hook 1 moves down until the clamping hook 6 is aligned with the steel bar bundle, the clamping hook 6 surrounds the steel bar bundle 100, the gantry hook 1 slowly rises, the steel bar bundle 100 pulls the diamond or parallelogram bearing under the action of gravity, so that the clamping hook tightly clamps the steel bar bundle 100. The gantry hook 1 transports the steel bar bundle 100 to the processing point, the gantry hook 1 moves down until the steel bar bundle 100 is close to the ground, reducing the tension of gravity on the clamping hook 6, and the clamping hook 6 is released. Then the hoisting and transportation operation of the next bundle of steel bar bundles 100 is carried out.

Example 2

As shown in Figures 3 to 6, another implementation scheme of the present invention is to achieve a lateral reinforcement and clamping effect based on Example 1. A longitudinal mounting column 10 is provided in the steel pipe column 8. The longitudinal mounting column 10 is perpendicular to the axis of the steel pipe column 8. An installation cavity is provided in the longitudinal mounting column 10. A fixing column 11 is installed in the installation cavity. A reinforcement member is installed on the fixing column 11. The reinforcement member is suitable for being connected to the steel bar bundle 100.

As shown in Figure 5, the reinforcement includes a movable frame plate 12, the top of which is provided with an upper position hole 13 and a lower position hole 14, the lower position hole 14 is suitable for being sleeved on the fixed column 11, and the movable frame plate 12 is suitable for moving on the fixed column 11; a locking member is suitable for being installed in the upper position hole 13, and the locking member is suitable for locking two groups of movable frame plates 12; a clamping plate 15 is fixedly installed under the movable frame plate 12, and the clamping plate 15 is suitable for abutting against both sides of the steel bar bundle 100.

The locking member includes a U-shaped rod 16, a C-shaped plate 17 is provided at the top end of the movable frame plate 12, and connecting holes 18 are provided on both sides of the C-shaped plate 17, and the U-shaped rod 16 is suitable for being inserted into the two groups of connecting holes 18, and a fixing member is installed on the other side of the C-shaped plate 17. The fixing member is a C-shaped rod 19, and a positioning hole is provided on the U-shaped rod 16, and the positioning hole is suitable for inserting the C-shaped rod 19.

Example 3

As shown in FIG. 7 , another embodiment of the present utility model is shown. On the basis of Example 2, the fixing member includes a movable plate 20, a threaded portion is provided on the U-shaped rod 16, a transition hole is provided on the movable plate 20, the transition hole is larger than the rod diameter of the U-shaped rod 16, a fixed cylinder 21 is provided outside the transition hole, and a rotating nut 22 is installed in the fixed cylinder 21, the rotating nut 22 is suitable for rotating in the fixed cylinder 21, and the rotating nut 22 is threadedly connected to the threaded portion. The rotating nut 22 is provided with a columnar cylinder and is rotatably connected in the fixed cylinder 21, and a connecting bearing is installed between the columnar cylinder and the fixed cylinder 21, which is not shown in the figure.

It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims (7)

1. The device for lifting the tendon is characterized by comprising a gantry lifting hook (1) and a steel pipe column (8);

The two ends of the steel pipe column (8) are fixedly provided with fixing rings (3), the fixing rings (3) are square, the upper ends and the lower ends of the fixing rings are respectively sleeved with an upper hanging ring (2) and a lower hanging ring (4), and the two groups of upper hanging rings (2) are connected with the gantry lifting hook (1) through steel wire ropes (7);

The steel bar bundle clamp (5) is arranged below the lower hanging ring (4), a clamping hook (6) is arranged at the bottom of the steel bar bundle clamp (5), and the clamping hook (6) is suitable for fixing the steel bar bundle (100).

2. A handling tendon device according to claim 1, characterized in that the tendon clamps (5) are diamond or parallelogram groups, arranged crosswise;

Friction teeth (9) are arranged on the inner wall of the clamping hook (6), and the size of the friction teeth (9) is not smaller than the diameter of the steel bars of the steel bar bundles (100).

3. The lifting tendon device according to claim 1, characterized in that a longitudinal mounting column (10) is arranged in the steel pipe column (8), the longitudinal mounting column (10) is perpendicular to the axis of the steel pipe column (8), a mounting cavity is formed in the longitudinal mounting column (10), a fixing column (11) is arranged in the mounting cavity, and a reinforcing member is arranged on the fixing column (11) and is suitable for being connected to the tendon (100).

4. A handling tendon device according to claim 3, characterized in that the reinforcement comprises a moving frame plate (12), the top of the moving frame plate (12) being provided with an upper position hole (13) and a lower position hole (14), the lower position hole (14) being adapted to be sleeved on the fixed column (11), the moving frame plate (12) being adapted to move on the fixed column (11);

A locking piece is arranged in the upper position hole (13) and is suitable for locking the two groups of movable frame plates (12);

A clamping plate (15) is fixedly arranged below the movable frame plate (12), and the clamping plate (15) is suitable for being abutted against two sides of the tendon (100).

5. The lifting tendon device as claimed in claim 4, characterized in that the locking member comprises a U-shaped rod (16), a C-shaped plate (17) is provided at the top end of the movable frame plate (12), connecting holes (18) are provided at both sides of the C-shaped plate (17), the U-shaped rod (16) is adapted to be inserted into the two groups of connecting holes (18), and a fixing member is mounted at the other side of the C-shaped plate (17).

6. The lifting tendon device as claimed in claim 5, characterized in that the fixing means is a C-shaped rod (19), the U-shaped rod (16) being provided with a positioning hole adapted to be inserted into the C-shaped rod (19).

7. The lifting tendon device according to claim 5, characterized in that the fixing member comprises a moving plate (20), a threaded portion is arranged on the U-shaped rod (16), a transition hole is formed in the moving plate (20), the transition hole is larger than the rod diameter of the U-shaped rod (16), a fixing cylinder (21) is arranged outside the transition hole, a rotating nut (22) is arranged in the fixing cylinder (21), the rotating nut (22) is suitable for rotating in the fixing cylinder (21), and the rotating nut (22) is in threaded connection with the threaded portion.